The reliability of a product or a system is generally evaluated with the two indicators of Mean Time to Repair (MTTR) and Mean Time Between Failures (MTBF).

Question

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MTTR and MTBF are standard metrics used to evaluate the reliability and maintainability of a product or system, with MTTR indicating the average time to repair a failure and MTBF indicating the average time between failures.

The Reliability of a Product or a System Is Generally